/**
 * 画像ギャラリーライトボックスブロック - デフォルトスタイル
 */

/* ========================================
   基本スタイル
   ======================================== */
.image-gallery-lightbox-block {
    position: relative;
    width: 100%;
}

.image-gallery-lightbox-block--default {
    margin: 2rem 0;
}

/* ========================================
   単一画像モード
   ======================================== */
.gallery-trigger--single {
    position: relative;
    display: inline-block;
    width: 100%;
    max-width: 100%;
}

.gallery-trigger__image,
.gallery-trigger__image--clickable {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.gallery-trigger-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
    cursor: pointer;
}

.gallery-trigger__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.gallery-trigger__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    color: #333;
}

.gallery-trigger__icon svg {
    width: 30px;
    height: 30px;
}

.gallery-trigger__caption {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #666;
    text-align: center;
}

/* ========================================
   グリッドモード
   ======================================== */
.gallery-trigger--grid {
    width: 100%;
}

.gallery-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, 1fr);
}

.image-gallery-lightbox-block[data-columns-pc="1"] .gallery-grid {
    grid-template-columns: repeat(1, 1fr);
}

.image-gallery-lightbox-block[data-columns-pc="2"] .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
}

.image-gallery-lightbox-block[data-columns-pc="4"] .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
}

.image-gallery-lightbox-block[data-columns-pc="5"] .gallery-grid {
    grid-template-columns: repeat(5, 1fr);
}

.image-gallery-lightbox-block[data-columns-pc="6"] .gallery-grid {
    grid-template-columns: repeat(6, 1fr);
}

.gallery-grid__item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
}

.gallery-grid__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-grid__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-grid__icon {
    font-size: 3rem;
    color: white;
    font-weight: 300;
}

/* ========================================
   ホバーエフェクト
   ======================================== */

/* ズームエフェクト */
.hover-effect--zoom .glightbox-trigger:hover .gallery-trigger__image,
.hover-effect--zoom .gallery-trigger-wrapper:hover .gallery-trigger__image,
.hover-effect--zoom .glightbox-trigger:hover .gallery-grid__image {
    transform: scale(1.1);
}

.hover-effect--zoom .glightbox-trigger:hover .gallery-trigger__overlay,
.hover-effect--zoom .gallery-trigger-wrapper:hover .gallery-trigger__overlay,
.hover-effect--zoom .glightbox-trigger:hover .gallery-grid__overlay {
    opacity: 1;
}

/* フェードエフェクト */
.hover-effect--fade .glightbox-trigger:hover .gallery-trigger__image,
.hover-effect--fade .gallery-trigger-wrapper:hover .gallery-trigger__image,
.hover-effect--fade .glightbox-trigger:hover .gallery-grid__image {
    opacity: 0.7;
}

.hover-effect--fade .glightbox-trigger:hover .gallery-trigger__overlay,
.hover-effect--fade .gallery-trigger-wrapper:hover .gallery-trigger__overlay,
.hover-effect--fade .glightbox-trigger:hover .gallery-grid__overlay {
    opacity: 1;
}

/* グレースケールエフェクト */
.hover-effect--grayscale .gallery-trigger__image,
.hover-effect--grayscale .gallery-grid__image {
    filter: grayscale(0);
}

.hover-effect--grayscale .glightbox-trigger:hover .gallery-trigger__image,
.hover-effect--grayscale .gallery-trigger-wrapper:hover .gallery-trigger__image,
.hover-effect--grayscale .glightbox-trigger:hover .gallery-grid__image {
    filter: grayscale(1);
}

.hover-effect--grayscale .glightbox-trigger:hover .gallery-trigger__overlay,
.hover-effect--grayscale .gallery-trigger-wrapper:hover .gallery-trigger__overlay,
.hover-effect--grayscale .glightbox-trigger:hover .gallery-grid__overlay {
    opacity: 1;
}

/* エフェクトなし */
.hover-effect--none .glightbox-trigger:hover .gallery-trigger__overlay,
.hover-effect--none .gallery-trigger-wrapper:hover .gallery-trigger__overlay,
.hover-effect--none .glightbox-trigger:hover .gallery-grid__overlay {
    opacity: 1;
}

/* ========================================
   レスポンシブ対応
   ======================================== */

/* タブレット */
@media (max-width: 768px) {
    .gallery-grid {
        gap: 0.75rem;
    }
    
    .gallery-trigger__icon {
        width: 50px;
        height: 50px;
    }
    
    .gallery-trigger__icon svg {
        width: 24px;
        height: 24px;
    }
    
    .gallery-grid__icon {
        font-size: 2.5rem;
    }
}

/* スマートフォン */
@media (max-width: 513px) {
    .image-gallery-lightbox-block[data-columns-sp="1"] .gallery-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .image-gallery-lightbox-block[data-columns-sp="2"] .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .image-gallery-lightbox-block[data-columns-sp="3"] .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gallery-grid {
        gap: 0.5rem;
    }
    
    .gallery-trigger__icon {
        width: 40px;
        height: 40px;
    }
    
    .gallery-trigger__icon svg {
        width: 20px;
        height: 20px;
    }
    
    .gallery-grid__icon {
        font-size: 2rem;
    }
    
    .gallery-trigger__caption {
        font-size: 0.85rem;
    }
}

/* ========================================
   エディタースタイル
   ======================================== */
.editor-styles-wrapper .image-gallery-lightbox-block {
    padding: 1rem;
    border: 1px dashed #ddd;
    background: #f9f9f9;
}

.editor-styles-wrapper .editor-preview {
    position: relative;
}

.editor-styles-wrapper .single-trigger img,
.editor-styles-wrapper .grid-trigger img {
    max-width: 100%;
    height: auto;
}

.editor-styles-wrapper .grid-trigger {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.editor-styles-wrapper .grid-trigger .grid-item {
    flex: 0 0 calc(33.333% - 7px);
}

.editor-styles-wrapper .caption {
    margin-top: 10px;
    font-size: 0.9em;
    color: #666;
    font-style: italic;
}

/* ========================================
   GLightbox カスタムスタイル
   ======================================== */
.glightbox-clean .goverlay {
    background: rgba(0, 0, 0, 0.9);
}

.glightbox-clean .gslide-title {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.glightbox-clean .gslide-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

/* サムネイル */
.glightbox-clean .gslide-media {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* ナビゲーションボタン */
.glightbox-clean .gnext,
.glightbox-clean .gprev {
    background: rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
}

.glightbox-clean .gnext:hover,
.glightbox-clean .gprev:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ローディング */
.gloader {
    border-color: rgba(255, 255, 255, 0.2);
    border-top-color: white;
}

/* ========================================
   アニメーション
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.image-gallery-lightbox-block.is-entering {
    animation: fadeIn 0.5s ease-out;
}